CISO Tribune

Executive record

Douglas Merrill

CISO Tribune executive record: Douglas Merrill, CISO at Equinix

Career profile: Douglas Merrill on CISO Spotlights ↗

Douglas Merrill is Chief Information Security Officer (CISO) at Equinix. The appointment was announced in the week of November 3, 2025, per SecurityWeek Industry Moves.

Before the appointment: Interim CISO at Equinix, per the same source.

1 tracked move on the Wire · Updated

Career timeline

Every move the record holds for Douglas Merrill, newest first, with the earlier roles the announcements name.

  1. · Appointment

    Named Chief Information Security Officer (CISO) at Equinix

    Source: SecurityWeek Industry Moves (week of 2025-11-03) ↗ · Move record

  2. Before November 2025· Earlier role

    Interim CISO at Equinix

    Named in the announcement of the Equinix appointment · Source: SecurityWeek Industry Moves (week of 2025-11-03) ↗

The appointment

Announced week of November 3, 2025 · Source: SecurityWeek Industry Moves (week of 2025-11-03) ↗ · Move record

Equinix has appointed Douglas Merrill as its CISO, where he will oversee global information security operations, risk management, and security platforms. He previously served as interim CISO at Equinix for six months, and has also held roles as partner at McKinsey and Chief Information Officer at Google.

According to the company's release, the appointment was effective immediately, and Merrill reports to Harmeen Mehta, the Chief Digital and Innovation Officer and an Executive Vice President. The release says Merrill will lead Equinix's global security organization, including the engineering and development of foundational security controls, processes and services. Harmeen Mehta said that protecting Equinix and its customers is a key responsibility of the Digital & Innovation Organization.

According to the release, Merrill as interim CISO led a redesign of the company's global security organization and introduced a strategic framework to integrate security into services, products and platforms from the outset. Equinix says Merrill has more than 30 years of experience helping organizations modernize their technology and transform it into an enabler of growth.

At McKinsey, the release says, Merrill worked closely with clients on end-to-end, tech-enabled transformations focused on data, operations, architecture, IT infrastructure and overall technology strategy. As Chief Information Officer at Google, Merrill helped shape technology strategy there, according to the release. The release says Merrill holds a master's degree and a doctoral degree in cognitive science, both from Princeton University. According to the company, Merrill is a published author and holds patents in machine learning applications.

According to the company, Equinix connects communities, organizations, countries and economies.

The company: Equinix

Company record
Who runs security at Equinix: 1 confirmed move on the record
Annual report
Cybersecurity section of the fiscal 2025 Form 10-K, filed February 11, 2026
Board oversight
Named in the filing: Nominating and Governance Committee.

Appointed in the same period

Other security chiefs in Technology whose appointment was announced within 90 days of Douglas Merrill's, nearest first (8 of 10). The Technology bench

Record facts

Time in the seat
About 1 year since the appointment was announced (week of November 3, 2025), as of November 2026
Moves on the record
1 confirmed move, each with its source
On the record since
September 26, 2026

How these are counted. Time in the seat: Counted in whole months from the announcement of the appointment, the date the record holds; announcements rarely give a start date.

Questions about Douglas Merrill

Who is the CISO of Equinix?
Douglas Merrill is Chief Information Security Officer (CISO) at Equinix. The appointment was announced in the week of November 3, 2025, per SecurityWeek Industry Moves.
When did Douglas Merrill become CISO of Equinix?
The appointment was announced in the week of November 3, 2025, per SecurityWeek Industry Moves. The record holds the announcement, not a start date.
What was Douglas Merrill's role before this appointment?
Before the appointment, Douglas Merrill was Interim CISO at Equinix, according to the announcement (SecurityWeek Industry Moves).

Sources

  1. 1.SecurityWeek Industry Moves (week of 2025-11-03) ↗: the appointment at Equinix, week of November 3, 2025
  2. 2.SEC EDGAR: Form 10-K, fiscal 2025 ↗: the company's cybersecurity disclosure
  3. 3.CISO Spotlights career profile ↗: a fuller career profile on a sister site

This record begins with CISO Tribune's tracking in 2026.

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